1. Growl allows network connections, if you enable it. There are Windows and Linux clients that implement the protocol, too. 2. Scalable "Disposable realtime n

1. Growl allows network connections, if you enable it. There are Windows and Linux clients that implement the protocol, too. 2. Scalable "Disposable realtime notifications" from server to clients/other servers was implemented over 20 years ago, with IRC. Some green Web 2.0 guy thinks he has a great idea, is actually reinventing wheel, more news coming up at the top of the hour.